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phamvanquy93
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1[TEX].(\sqrt{1-cosx} + \sqrt{cosx})cos2x=\frac{1}{2}sinx[/TEX]
2.[TEX]\sqrt{1+sinx}+cosx=0[/TEX]
3.[TEX]\sqrt{sinx}+sinx+sin^2(x)+cosx=1[/TEX]
4.[TEX]sin^3x+sin^32x+sin^33x=(sinx+sin2x+sin3x)^3[/TEX]
5[TEX].(cos4x-cos2x)^2=5+sin3x[/TEX]
2.[TEX]\sqrt{1+sinx}+cosx=0[/TEX]
3.[TEX]\sqrt{sinx}+sinx+sin^2(x)+cosx=1[/TEX]
4.[TEX]sin^3x+sin^32x+sin^33x=(sinx+sin2x+sin3x)^3[/TEX]
5[TEX].(cos4x-cos2x)^2=5+sin3x[/TEX]
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